package com.cy;

import jdk.nashorn.internal.ir.RuntimeNode;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.util.Enumeration;

@SpringBootApplication
public class NacosProviderApplication {
    public static void main(String[] args) {
        SpringApplication.run(NacosProviderApplication.class,args);
    }
    //@Value注解用于告诉spring 从application.yml,application.properties中取出端口
    @Value("${server.port}")
    private String server;

    @RestController
    public class ProviderController {
        @GetMapping(value = "/provider/echo/{string}")
        public String echo(@PathVariable String string,HttpServletRequest request) {
            Enumeration<String>headerNames=request.getHeaderNames();
            while (headerNames.hasMoreElements()){
                String headerName=headerNames.nextElement();
                String headerValue=request.getHeader(headerName);
            }
            String pageSize=request.getParameter("pageSize");
            System.out.println("pageSize"+pageSize);
            return server+"say:Hello Nacos Discovery " + string;
        }
    }

}
